

Specifications
- Brand
- TwinPower
- Part #
- 043289
- UPC
- 887337397726

Twin Power 91-06 Big Twin Exc 06 Dyna Transmission Mainshaft Seal Replaces H-D 12035A 5 Pk
$14.32
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Twin Power transmission mainshaft seal 5-pack. Replaces H-D 12035A for 1991-2006 Big Twin motorcycles (exc. 2006 Dyna).
Key Features
- Fits 1991-2006 Big Twin Harley-Davidson motorcycles (excluding 2006 Dyna models).
- Replaces Harley-Davidson part number 12035A.
- Comes in a convenient 5-pack for multiple applications or spares.
- Designed to seal the transmission mainshaft effectively.
Product Details
If you're rebuilding the transmission on your Big Twin Harley-Davidson from 1991 through 2006, you'll need to replace the mainshaft seal. This 5-pack from Twin Power is designed to fit a wide range of these models, including popular bikes like the Road King, Electra Glide, and Heritage Softail. It's a direct replacement for the Harley-Davidson 12035A seal, ensuring a proper fit during your rebuild.
Having a 5-pack means you'll have spares on hand, which is always a good idea when you're deep into a project. These seals are well-built to keep transmission fluid where it belongs, preventing leaks and ensuring smooth operation of your drivetrain. Replacing this seal is a straightforward part of many transmission service jobs, and having a reliable replacement makes the process smoother.
Specifications
- Brand
- TwinPower
- Manufacturer Part #
- 043289
- UPC
- 887337397726
Frequently Asked Questions
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Twin Power 91-06 Big Twin Exc 06 Dyna Transmission Mainshaft Seal Replaces H-D 12035A 5 Pk




